Kyoto, Japan

Hiroyuki Ikeuchi

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent. Top assignees: Toray Industries, Inc., Seiko Instruments & Electronics Ltd.. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Ikeuchi. Retrieved from https://idiyas.com/inventor/hiroyuki-ikeuchi-idrfvt7b

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0


Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 77(Granted Patents)


Location History:

  • Ehime, JA (1976 - 1977)
  • Kyoto, JP (1990 - 1991)

Company Filing History:


Years Active: 1976-1991

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4 patents (USPTO):Explore Patents

Title: Hiroyuki Ikeuchi: Innovator in Liquid Crystal Technology

Introduction

Hiroyuki Ikeuchi is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 4 patents. His work has advanced the understanding and application of electro-optical elements, particularly in the realm of liquid crystals.

Latest Patents

Ikeuchi's latest patents include a liquid crystal electro-optical element and a process for its preparation. This invention involves an electro-optical element comprising a liquid crystal, such as a smectic liquid crystal, sealed between two substrates. The innovation utilizes spacer particles to regulate the space between the substrates and phenol type curing agent-incorporated epoxy resin adhesive particles to moderate stresses generated by distortions or warps of the substrates. This design allows for a minute uniform space, particularly effective for ferroelectric liquid crystals, ensuring that alignment films remain undisturbed. Additionally, he has developed a liquid crystal element featuring an improved orientation layer, which consists of a polymer with a Mark-Houwink coefficient of not less than 0.85.

Career Highlights

Throughout his career, Hiroyuki Ikeuchi has worked with notable companies such as Toray Industries, Inc. and Seiko Instruments & Electronics Ltd. His expertise in liquid crystal technology has positioned him as a key figure in the industry, contributing to advancements that have practical applications in various electronic devices.

Collaborations

Ikeuchi has collaborated with esteemed colleagues, including Michihiko Tanaka and Takamasa Harada. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hiroyuki Ikeuchi's contributions to liquid crystal technology exemplify the impact of innovative thinking in the field of electro-optical elements. His patents and collaborations reflect a commitment to advancing technology that enhances the functionality of electronic devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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